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A131231 3*A130296 - 2*A128174. 1
1, 6, 1, 7, 3, 1, 12, 1, 3, 1, 13, 3, 1, 3, 1, 18, 1, 3, 1, 3, 1, 19, 3, 1, 3, 1, 3, 1, 24, 1, 3, 1, 3, 1, 3, 1, 25, 3, 1, 3, 1, 3, 1, 3, 1 (list; table; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Left column = A047225, numbers congruent to {0,1} mod 6: (1, 6, 7, 12, 13, 18, 19,...). Row sums = A131229, numbers congruent to {1,7} mod 10: (1, 7, 11, 17,...).

FORMULA

3*A130296 - 2*A128174 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

1;

6, 1;

7, 3, 1;

12, 1, 3, 1;

13, 3, 1, 3, 1;

...

CROSSREFS

Cf. A131229, A047225, A130296, A128174.

Sequence in context: A028323 A137235 A021166 * A200307 A198420 A110942

Adjacent sequences:  A131228 A131229 A131230 * A131232 A131233 A131234

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Jun 20 2007

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Last modified February 16 15:27 EST 2012. Contains 205930 sequences.